Hammer drill



FIG. 1 is a first side view of my hammer drill;

FIG. 2 is a front view of my hammer drill;

FIG. 3 is a second side view of my hammer drill;

FIG. 4 is a rear view of my hammer drill;

FIG. 5 is a top view of my hammer drill; and,

FIG. 6 is a bottom view of my hammer drill.

The ornamental design for a hammer drill, as shown and described.